Asian Surveying & Mapping
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June 11th, 2014
senseFly Announces eBee RTK Survey-grade Mapping Drone

The eBee RTK is sold as a standalone solution – comprising the drone itself, eMotion 2 flight planning & control software, and Postflight Terra 3D photogrammetry software (powered by Pix4D). No extra base station purchase is necessary and no additional logger or third-party software are required.

3 ways to work with the eBee RTK:

1. Real Time Kinematic

  • Place your base station on a known position
  • Correction data is streamed to the drone via its eMotion flight control software and ground modem (see graphic on previous page)

2. Virtual base station

  • Configure the drone’s eMotion software to receive VRS/Ntrip correction data (internet connection & VRS/Ntrip subscription required)
  • Creates a virtual base station location
  • Correction data is streamed to the drone via its eMotion flight control software and ground modem

3. Post processing

  • Position your base station in a convenient on-site location
  • Its coordinates are set automatically in eMotion 2
  • The base station streams correction data to the drone via eMotion and the ground modem (see graphic on previous page)
  • Post-flight, geotag images with correction data either on-site (requires internet access) or in the office later

Key features

  • Survey-grade accuracy 
Absolute orthomosaic / Digital Elevation Model accuracy of down to 3 cm (1.2 in) without the need for GCPs – for less time spent in the field and high precision even in inaccessible areas.
  • Fully integrated workflow
The eBee RTK’s flight planning and control software (eMotion 2) connects to the base station and broadcasts correction data to the rover (eBee RTK) – no additional logger or third-party software required. This software can also be used to apply corrections later via post-processing.
  • Base station compatible
The eBee RTK is compatible with most leading brands of base station, working seamlessly alongside your existing portfolio of instruments.
  • Autonomous
The eBee RTK flies, acquires images and lands itself.
  • Lightweight
The eBee RTK weighs just 0.7 kg (1.5 lbs) –  minimising its power usage (optimizing its flight time) and ensuring the safety of people and objects on the ground.

Technical specifications: GPS

  • Number of channels: 226
  • Signal tracked
  • GPS: L1, L2, L2C
  • GLONASS: L1, L2, L2C
  • QZSS
  • Onboard RTK correction: 20 Hz
  • Upstream correction: 1 Hz
  • Geotag accuracy (typical)
  • Standalone: H: 1.2m, V: 1.8m
  • RTK, relative to base station: H:15mm, V: 20mm
  • Acquisition time
  • Hot start: <10s
  • Warm start: <35s
  • Cold start: <60s
  • Reacquisition: <1s

Technical specifications: drone

  • Weight (inc. camera & battery): 0.7 kg (1.5 lbs)
  • Wingspan: 96 cm (38 in)
  • Material: EPP foam, carbon structure & composite parts
  • Propulsion: electric pusher propeller, brushless 160 W motor
  • Battery: 11.1 V, 2100 mAh
  • Camera (default): adapted 16 MP still camera
  • Carry case dimensions: 55 x 45 x 25 cm (21.6 x 17.7 x 9.8 in)
  • Maximum coverage (single flight): 10 km2 (3.9 mi2)
  • Maximum flight time: 40 minutes
  • Cruising speed: 36-57 km/h (10-16 m/s)
  • Radio link range: up to 3 km (1.86 miles)
  • Ground sampling distance (GSD): down to 2 cm (0.78 in)
  • Orthomosaic accuracy: down to 3 cm (1.18 in)
  • Digital Elevation Model (DEM) accuracy: down to 5 cm (1.96 in)
  • Multi-drone operation possible (inc. mid-air collision avoidance)
  • 3D flight planning
  • Compatible with Topcon, Trimble & Leica base stations
  • Compatible with VRS & Ntrip networks

In the box

  • eBee RTK foam body (inc. all electronics & built-in autopilot)     
  • Pair of detachable foam wings
  • 16 MP still camera
  • 2.4 GHz USB radio modem for data link (inc. USB cable)
  • Two Lithium-Polymer battery packs & charger
  • Spare propeller
  • Carry case with foam protection
  • Remote control & accessories (for safety pilots)
  • User manual
  • Fully featured software included